851845848746 has 8 divisors (see below), whose sum is σ = 1352931642180. Its totient is φ = 400868634688.

The previous prime is 851845848743. The next prime is 851845848781. The reversal of 851845848746 is 647848548158.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 803362653025 + 48483195721 = 896305^2 + 220189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (851845848743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12527144801 + ... + 12527144868.

Almost surely, 2^851845848746 is an apocalyptic number.

851845848746 is a deficient number, since it is larger than the sum of its proper divisors (501085793434).

851845848746 is a wasteful number, since it uses less digits than its factorization.

851845848746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25054289688.

The product of its digits is 275251200, while the sum is 68.

The spelling of 851845848746 in words is "eight hundred fifty-one billion, eight hundred forty-five million, eight hundred forty-eight thousand, seven hundred forty-six".